5645889503 has 2 divisors, whose sum is σ = 5645889504. Its totient is φ = 5645889502.

The previous prime is 5645889497. The next prime is 5645889583. The reversal of 5645889503 is 3059885465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5645889503 - 2⁶ = 5645889439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5645889583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822944751 + 2822944752.

It is an arithmetic number, because the mean of its divisors is an integer number (2822944752).

Almost surely, 2^5645889503 is an apocalyptic number.

5645889503 is a deficient number, since it is larger than the sum of its proper divisors (1).

5645889503 is an equidigital number, since it uses as much as digits as its factorization.

5645889503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184000, while the sum is 53.

The square root of 5645889503 is about 75139.1342976481. The cubic root of 5645889503 is about 1780.6454654242.

The spelling of 5645889503 in words is "five billion, six hundred forty-five million, eight hundred eighty-nine thousand, five hundred three".